LIU Yi Qian · CFSC
vs par split: bidding +0.07 · play +0.76
Strength of schedule: opponents averaged -1.03/bd (an easy draw) → opponent-adjusted +0.05/bd
Card play — on target: opening leads 85.7% · declarer play 76.9% · defence 94.1%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 83.3% (6) |
| Declarer play | 66.7% (3) | 80.0% (10) |
| Defence | 50.0% (2) | 100.0% (15) |
Opening leads by suit led: ♠ 66.7% (3) · ♦ 100.0% (2) · ♣ 100.0% (2)
vs par by strain: NT -2.36 (11) · a suit +1.97 (31)
vs par by level: part-score +0.28 (18) · game +0.81 (21) · slam +4.33 (3)
By role: declaring +1.72/bd (+0.08 vs par · 25) · defending +0.12/bd (+1.94 vs par · 17)
By vulnerability: vulnerable +1.60/bd (+1.43 vs par · 21) · not vulnerable +0.55/bd (+0.24 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 64 | W.Wang | S.Gabay – V.King | Open | 14 | +22.3 | +1.59 | +0.14 |
| Round of 64 | W.Wang | K.Woolsey – S.Woolsey | Closed | 14 | +22.7 | +1.62 | +1.36 |
| Round of 32 | W.Wang | J.Shih – P.Wang | Closed | 14 | +0.2 | +0.01 | +1.00 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +14.4 | Round of 64 | MCCALLUM | 21 | 5♣x | ♥K | = | +15 |
| +6.7 | Round of 64 | MCCALLUM | 8 | 4♠ | ♣2 | -1 | +14 |
| +6.1 | Round of 64 | MCCALLUM | 25 | 4♥ | ♦2 | +1 | +1 |
| +5.6 | Round of 64 | MCCALLUM | 6 | 4♠ | ♦J | -1 | +10 |
| +5.6 | Round of 32 | YBM | 26 | 4♠ | ♥5 | = | +10 |
| +5.4 | Round of 64 | MCCALLUM | 18 | 2♥ | ♦6 | +3 | +3 |
| +4.9 | Round of 64 | MCCALLUM | 10 | 3♦ | ♣Q | -2 | +7 |
| +4.9 | Round of 64 | MCCALLUM | 17 | 3♦ | ♠Q | -4 | +3 |
| +4.0 | Round of 64 | MCCALLUM | 16 | 3NT | ♠2 | = | +0 |
| +4.0 | Round of 32 | YBM | 25 | 2♥ | ♣J | +1 | +0 |
| +3.7 | Round of 32 | YBM | 27 | 4♥x | ♠J | -1 | +5 |
| +2.5 | Round of 64 | MCCALLUM | 4 | 1NT | ♠K | +1 | +0 |
| +2.3 | Round of 64 | MCCALLUM | 11 | 4♥ | ♣A | = | +3 |
| +1.8 | Round of 64 | MCCALLUM | 7 | 1♥ | ♥6 | +1 | +0 |
| +1.8 | Round of 32 | YBM | 15 | 3♥ | ♦A | = | +6 |
| +1.7 | Round of 64 | MCCALLUM | 14 | 2♥ | ♠7 | -2 | -1 |
| +1.4 | Round of 64 | MCCALLUM | 28 | 6♣ | ♣5 | +1 | +11 |
| +1.2 | Round of 64 | MCCALLUM | 5 | 4♠ | ♦7 | = | -1 |
| +1.1 | Round of 32 | YBM | 24 | 6NT | ♥5 | = | +0 |
| +1.0 | Round of 64 | MCCALLUM | 1 | 1NT | ♥3 | = | -2 |
| +1.0 | Round of 64 | MCCALLUM | 19 | 2♦ | ♠5 | = | -1 |
| +0.9 | Round of 64 | MCCALLUM | 2 | 2♥ | ♥4 | +2 | +1 |
| +0.9 | Round of 64 | MCCALLUM | 3 | 3♦ | ♠5 | = | -1 |
| +0.8 | Round of 32 | YBM | 20 | 4♠ | ♦A | = | +1 |
| +0.8 | Round of 32 | YBM | 22 | 3♠ | ♥K | -2 | +0 |
| +0.5 | Round of 32 | YBM | 18 | 3NT | ♠7 | = | -1 |
| +0.4 | Round of 32 | YBM | 21 | 4♦ | ♣2 | -1 | +6 |
| +0.3 | Round of 32 | YBM | 23 | 3NT | ♠6 | +1 | +0 |
| -0.2 | Round of 64 | MCCALLUM | 20 | 3NT | ♣4 | +2 | +0 |
| -0.2 | Round of 64 | MCCALLUM | 23 | 4♠ | ♦K | +1 | +0 |
| -0.4 | Round of 32 | YBM | 16 | 3♠ | ♥2 | +1 | +1 |
| -0.8 | Round of 64 | MCCALLUM | 9 | 3NT | ♥J | -1 | -5 |
| -0.8 | Round of 64 | MCCALLUM | 12 | 3NT | ♥J | +1 | -11 |
| -1.9 | Round of 64 | MCCALLUM | 27 | 2♠ | ♦K | = | +0 |
| -2.2 | Round of 64 | MCCALLUM | 26 | 3♠ | ♣K | -1 | -5 |
| -2.3 | Round of 64 | MCCALLUM | 24 | 3NT | ♦K | -1 | -5 |
| -2.5 | Round of 64 | MCCALLUM | 15 | 4♠ | ♥A | -2 | -5 |
| -2.9 | Round of 32 | YBM | 19 | 4♠ | ♣Q | +1 | +0 |
| -5.2 | Round of 64 | MCCALLUM | 22 | 6♦ | ♥K | = | +2 |
| -5.5 | Round of 32 | YBM | 17 | 5♣x | ♠K | -4 | -12 |
| -5.6 | Round of 64 | MCCALLUM | 13 | 3♥ | ♦8 | -1 | -12 |
| -10.0 | Round of 32 | YBM | 28 | 3NT | ♣A | +3 | -2 |